Podcast
Questions and Answers
What is voltage a measure of?
What is voltage a measure of?
- The number of electrons in a wire
- The force or pressure applied to electrons (correct)
- The resistance in a circuit
- The speed of electron flow
In which direction is the current flow generally understood to occur?
In which direction is the current flow generally understood to occur?
- From negative to positive (correct)
- It depends on the resistance in the wire
- In a loop within the circuit
- From positive to negative
What is the unit for the force that propels the electrons down the wire?
What is the unit for the force that propels the electrons down the wire?
- Volts (correct)
- Amps
- Ohms
- Watts
How does doubling the voltage affect the current in a circuit?
How does doubling the voltage affect the current in a circuit?
How is potential denoted with reference to a point?
How is potential denoted with reference to a point?
What is the purpose of the triboelectric series?
What is the purpose of the triboelectric series?
At 10% to 20% relative humidity, what is the electrostatic voltage when walking over a vinyl floor?
At 10% to 20% relative humidity, what is the electrostatic voltage when walking over a vinyl floor?
According to the information provided, what can be predicted about the voltage levels when two materials close together in the triboelectric series are rubbed together?
According to the information provided, what can be predicted about the voltage levels when two materials close together in the triboelectric series are rubbed together?
Who first discovered and wrote about the relationship between attracting or repelling charged bodies?
Who first discovered and wrote about the relationship between attracting or repelling charged bodies?
What is the main impact of materials higher on the triboelectric series?
What is the main impact of materials higher on the triboelectric series?
What is voltage a measure of between two bodies with different potentials?
What is voltage a measure of between two bodies with different potentials?
When can the voltage between two bodies have a negative sign?
When can the voltage between two bodies have a negative sign?
What is the voltage difference between two bodies called?
What is the voltage difference between two bodies called?
How does doubling the resistance in a circuit affect the current?
How does doubling the resistance in a circuit affect the current?
What is resistance directly proportional to?
What is resistance directly proportional to?
What will an uncharged pith ball be attracted to?
What will an uncharged pith ball be attracted to?
What happens when a rod with an excess of electrons is negatively charged?
What happens when a rod with an excess of electrons is negatively charged?
What happens when both the rod and the pith ball exhibit like electrostatic charges?
What happens when both the rod and the pith ball exhibit like electrostatic charges?
What type of material is rubber in terms of electricity?
What type of material is rubber in terms of electricity?
What happens when one part of a balloon is rubbed with wool?
What happens when one part of a balloon is rubbed with wool?
Flashcards are hidden until you start studying
